Hardware Spec Index

Caldera FN-2521 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN2521-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index1,131 (Case Fans scale)
Category rank#42,845
Street price$39
Power3 W
Performance per dollar29.00
Released2023

Specifications

BrandCaldera
ModelCaldera FN-2521 Ultra
Size120 × 120 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2521 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/8614934 (accessed 2026-10-22).